Tunneling tool



FIG. 1 is a perspective view of our tunneling tool in accordance with our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines in the figures are included for the purpose of illustrating portions of the tunneling tool that form no part of the claimed design. 

CLAIM The ornamental design for a tunneling tool, as shown and described. 